# sd > Intuitive find & replace CLI. > More information: . - Trim some whitespace using a regular expression: `{{echo 'lorem ipsum 23 '}} | sd '\s+$' ''` - Replace words using capture groups: `{{echo 'cargo +nightly watch'}} | sd '(\w+)\s+\+(\w+)\s+(\w+)' 'cmd: $1, channel: $2, subcmd: $3'` - Find and replace in a file printing the result to stdout: `sd -p {{'window.fetch'}} {{'fetch'}} {{http.js}}` - Find and replace across a project changing each file in place: `sd {{'from "react"'}} {{'from "preact"'}} $(find . -type f)`